Results

Challenger Yokohama 11/18 05:45 25 Jumpei Yamasaki v Yuki Mochizuki 4-6,6-7
Challenger Yokohama 11/17 03:10 19 Naoki Nakagawa v Jumpei Yamasaki 3-6,1-6
Challenger Yokohama 11/16 06:25 14 Jumpei Yamasaki v Uisung Park Retired
ITF M25 Takasaki 09/19 01:52 - Jumpei Yamasaki v Takuya Kumasaka 7-6,0-6,3-6
ITF M25 Takasaki 09/18 01:00 - Holt-Crossman/Ibraimi v Jumpei Yamasaki 2-6,3-6
ITF M25 Takasaki 09/16 01:00 - Jumpei Yamasaki v Dominik Palan 6-2,0-0
ITF M25 Takasaki 09/15 01:00 - Jumpei Yamasaki v Jonathan Mridha 7-5,7-6
ITF M25 Sapporo 09/08 03:02 - Jumpei Yamasaki v Ryota Tanuma 7-6,3-6,0-1
ITF M25 Sapporo 09/02 01:30 - Jumpei Yamasaki v Shunsuke Nakagawa 3-6,6-7
ITF M15 Singapore 08/14 02:00 - Koki Matsuda v Jumpei Yamasaki 6-2,6-4
ITF M15 Singapore 08/13 03:30 - Jumpei Yamasaki v KuPS Kuopio 6-3,6-3
ITF M15 Singapore 08/07 07:17 - Jumpei Yamasaki v Shu Matsuoka 2-6,2-6